2009 Derbi Senda DRD Racing 50 SM Technical Analysis & Specification Breakdown
Engineered by Derbi for the super motard motorcycle segment, the 2009 Derbi Senda DRD Racing 50 SM utilizes a 49.9 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. Internal engine geometry specifies a bore and stroke of 39.9 x 40.0 mm (1.6 x 1.6 inches) with a 11.5:1 compression ratio.
On the scales, the Senda DRD Racing 50 SM measures 96 kg (212 lbs) dry. Rider ergonomics and chassis geometry center around a 875 mm (34.4 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,390 mm (54.7 in) wheelbase engineered for quick, flickable steering geometry. The 6.5-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Derbi archive, this model family spans 8 indexed model years from 2008 to 2018, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
875 mm (34.4 in)
Engine
Displacement49.9 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression11.5:1
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. 17.5 mm
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionElectronic CDI
LubricationOil pump
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Chassis
Front Suspension40 mm upside down fork.
Front Travel250 mm (9.8 inches)
Rear SuspensionProgressive linkage monoshock with separate gas tank.
Rear Travel250 mm (9.8 inches)
Wheelbase1390 mm (54.7 inches)
Wheels & Brakes
Front Tyre100/80-17
Rear Tyre130/70-17
Front BrakesSingle disc
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight96.0 kg (211.6 pounds)
Seat Height875 mm (34.4 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
